CVE-2026-45278
Low
Description
Nextcloud is an open source content collaboration platform. From version 6.1.0 to before version 8.2.2, an attacker can craft links that would redirect users to another website, when the victim uses the attackers link to log in via user OIDC. This issue has been patched in version 8.2.2.
SeverityLow
CVSS3.3
Exploit probability—
Product
Nextcloud User Oidc
PublishedJun 1, 2026
First seenJun 1, 2026
Weakness typeCWE-601Open redirect
How to fix
Update
- nextcloud user_oidc8.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud user_oidc | 6.1.0 ≤ v < 8.2.2 | 8.2.2 |
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